Sounds similar to bug 195982. Do you have vmware installed by chance? Please attach your /var/log/Xorg.0.log following the failure.
** Changed in: xorg (Ubuntu) Status: New => Incomplete -- Control characters and caps lock and other control characters don't work in X in Hardy Development https://bugs.launchpad.net/bugs/221147 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs